From 80c99eedef827f2a76602dbbe354921991b9755a Mon Sep 17 00:00:00 2001
From: Franz Pletz <fpletz@fnordicwalking.de>
Date: Sat, 1 Feb 2020 13:54:05 +0100
Subject: [PATCH] halfempty: init at 0.30

---
 pkgs/development/tools/halfempty/default.nix | 37 ++++++++++++++++++++
 pkgs/top-level/all-packages.nix              |  2 ++
 2 files changed, 39 insertions(+)
 create mode 100644 pkgs/development/tools/halfempty/default.nix

diff --git a/pkgs/development/tools/halfempty/default.nix b/pkgs/development/tools/halfempty/default.nix
new file mode 100644
index 000000000000..e576b2321c69
--- /dev/null
+++ b/pkgs/development/tools/halfempty/default.nix
@@ -0,0 +1,37 @@
+{ lib, stdenv, fetchFromGitHub, pkgconfig, glib, utillinux, scowl }:
+
+stdenv.mkDerivation rec {
+  pname = "halfempty";
+  version = "0.30";
+
+  src = fetchFromGitHub {
+    owner = "googleprojectzero";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0838pw0ccjvlxmjygzrnppz1fx1a10vjzdgjbxgb4wgpqjr8v6vc";
+  };
+
+  nativeBuildInputs = [ pkgconfig utillinux ];
+  buildInputs = [ glib ];
+
+  enableParallelBuilding = true;
+
+  postPatch = ''
+    substituteInPlace test/Makefile \
+      --replace '/usr/share/dict/words' '${scowl}/share/dict/words.txt'
+  '';
+
+  installPhase = ''
+    install -vDt $out/bin halfempty
+  '';
+
+  doCheck = true;
+  checkTarget = "test";
+
+  meta = {
+    description = "Fast, parallel test case minimization tool";
+    homepage = "https://github.com/googleprojectzero/halfempty/";
+    maintainers = with lib.maintainers; [ fpletz ];
+    license = with lib.licenses; [ asl20 ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 71d5ac8cb607..dbf728b2e1d5 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10181,6 +10181,8 @@ in
 
   hadolint = haskell.lib.justStaticExecutables haskellPackages.hadolint;
 
+  halfempty = callPackage ../development/tools/halfempty {};
+
   hcloud = callPackage ../development/tools/hcloud { };
 
   help2man = callPackage ../development/tools/misc/help2man { };